/Engine/Source/Editor/ContentBrowserData/Public/ContentBrowserVirtualPathTree.h
Removes the specified path from the tree, calling OnPathRemoved for any existing paths removed. Returns true if the path was found and removed.
bool RemovePath ( [FName](API\Runtime\Core\UObject\FName) Path, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void([FName](API\Runtime\Core\UObject\FName))> OnPathRemoved )